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Table 1 baseline characteristics and outcomes of the four groups

From: Maternal obesity influences birth weight more than gestational diabetes

Variable

*Non-GDM nonobese

(n = 180)

GDM nonobese

(n = 96)

Obese non-GDM

(n = 84)

Obese GDM

(n = 170)

Age (years)

Mean (SD)

28.6 (6.07)

31.7 (6.44)

31.3 (5.78)

33.69 (5.76)

P value

-

0.000

0.001

0.000

BMI (kg/m2)

Mean (SD)

24.2 (3.62)

26.0 (3.01)

34.5 (4.21)

36.2 (5.07)

P value

-

0.000

0.000

0.000

Birth weight (gm)

Mean (SD)

2859 (0.47)

2933 (0.57)

3003 (0.58)

3150 (0.47)

P value

-

0.333

0.062

0.000

Macrosomia

Numbers (%)

0 (0)

3 (3.1)

5 (6.0)

7 (4.1)

P value

-

0.048

0.013

0.022

Odd ratio (OR)

-

7.22

14.05

9.37

CI

-

0.37-141.52

0.78–252.5

0.5-176.43

Caesarian delivery

Numbers (%)

48 (26.7)

42 (43.8)

48 (57.1)

85 (50)

P value

-

0.014

0

0

OR

-

2.15

3.69

2.79

CI

-

1.16–3.98

1.97–6.91

1.653–4.722

NICU Admission

Numbers (%)

25 (13.9)

29 (30.2)

20 (23.8)

44 (25.9)

P value

-

0.006

0.073

0.016

OR

-

2.68

1.97

2.168

CI

-

1.30–5.52

0.931–4.18

1.143–4.115

Low Apgar Score

Numbers (%)

3 (1.7)

5 (5.2)

1 (1.2)

16 (9.4)

P value

-

0.171

1

0.006

OR

-

2.82

1

1.858

CI

-

0.56–14.05

0.09–11.2

1.415–2.440

  1. All P values and ORs were compared with the reference group (non-GDM and nonobese women). * reference group. OR Odd ratio; CI confidence interval. Macrosomia, defined as a birth weight of 4000 g or more. Low Apgar score, defined as an Apgar score of 7 or less at 5 minutes